SRAM SX Eagle 12 Speed Trigger Shifter - Single Click Discrete Clamp BLK A1SRAM SX Eagle 12 Speed Trigger Shifter Single Click with Discrete Clamp Black A1. The SX Eagle Single Click Trigger Shifter ensures drivetrain durability with the single click shifter option designed for E MTB use. E MTB specific Eagle shifter option limits the pull lever to a single engagement to help eliminate pre mature chain wear and chain breaking. TECH SPECS Shifter Style Trigger Color Black Drivetrain Speeds 12 Designed for ebike Yes keyword